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A new zygodactylid species indicates the persistence of stem passerines into the early Oligocene in North America
BACKGROUND: The lake deposits of the informal Ruby Paper Shale unit, part of the Renova Formation of Montana, have yielded abundant plant fossils that document Late Eocene – Early Oligocene global cooling in western North America. A nearly complete small bird with feather impressions was recovered f...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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BioMed Central
2019
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6321701/ https://www.ncbi.nlm.nih.gov/pubmed/30611195 http://dx.doi.org/10.1186/s12862-018-1319-6 |